Definition: In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Input: Context: Bulbophyllum lyriforme is a species of orchid in the genus Bulbophyllum.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)OfficeHolder, 3)WrittenWork, 4)Album, 5)Artist

1